Permanent Way: Historical Development
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Beschrijving
Bol
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The permanent way is the elements of railway lines: generally the pairs of rails typically laid on ties ("sleepers" in British parlance) embedded in ballast, intended to carry the ordinary trains of a railway. It is described as permanent way because in the earlier days of railway construction, contractors often laid a temporary track to transport spoil and materials about the site; when this work was substantially completed, the temporary track was taken up and the permanent way installed. A description of the present-day technology of permanent way is in the article Rail tracks.
Beschrijving
(2)
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The permanent way is the elements of railway lines: generally the pairs of rails typically laid on ties ("sleepers" in British parlance) embedded in ballast, intended to carry the ordinary trains of a railway. It is described as permanent way because in the earlier days of railway construction, contractors often laid a temporary track to transport spoil and materials about the site; when this work was substantially completed, the temporary track was taken up and the permanent way installed. A description of the present-day technology of permanent way is in the article Rail tracks.
AmazonPagina's: 160, Paperback, Betascript Publishers
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